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3、 7 6.2 7 7 , 7 7.1 7 7.2 8 7.3 8 7.4 9 7.5 10 7.6 () 11 8 () 12 8.1 12 8.2 12 8.3 12 8.4 12 8.5 13 8.6 13 9 13 10 11 14 1 9 1 5 , , . , . , , / . 1 1/4Cr-1/2Mo 825 oF (441C) 1 1 1/4Cr-1/2Mo . , , , ASME BPVC, VIII, 1 2. , 1Cr-1/2Mo. , , . . , 2. (50) , 4. (100). , , , 4. (100). 4. (100), 1Cr-1/2Mo ,
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5、ASME SA-335 . ASME SA-336 . ASME SA-369 , . ASME SA-387 , . ASMESA-435 . ASME SA-578 . ASNT2RPSNT-TC-1A . ASTM3G-146 . () . AWS4 A4.2 - 2- - . . AWS A4.3 , , . WRC5 342 : . 3 , 3.1 , . 3.1.1 ASME ASME , VIII, 1 2, . 3.1.2 () . 3.1.3 () . 3.1.4 - : = (20 + logt) ; t . 3.1.5 , , , , , . : ( ), -; . 3.1.6 , (, ). : ( ), -; . 3.2 , : CMTR DHT FN HAZ HBW HV ISR MDMT MT - NDE() PQR PT PWHT () RT UT WPS 4 4.1 ASME BPVC, VIII, 1 2, . , , . 4.2 , , ASME, , , , . 4.3 , , . ) / . b) , , , RT, UT, MT PT. c)
